XJ-S V12-5.3L (1982)
Valve Clearance: Adjustments
CAUTION:
DO NOT rotate the engine while the camshaft is disconnected.
DO NOT move tappets from their home bore. Keep in same location unless fitting new ones.
Camshaft Cover
CHECK
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Remove the camshaft covers.
Fig. 8 Valve adjustment
LEFT CAMSHAFT
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Rotate the engine as necessary and measure the valve clearances between the heel of the LH camshaft and the cam followers .
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Make a note of each reading. The correct clearance is:
Inlet ............................................................................................................................................................................ 0.031-0.036 mm (0.012-014in).
Exhaust ...................................................................................................................................................................... 0.031-0.036 mm (0.012-014in).
ADJUST
Should the clearances be incorrect, proceed as follows:
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Remove the rubber grommet from the front of the timing cover.